201271120

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{701}}^1$

素因数の和:848

約数の個数: 80

約数和(自身を含む): 486250128

約数和(自身を除く): 284979008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 97, 148, 185, 194, 296, 370, 388, 485, 592, 701, 740, 776, 970, 1402, 1480, 1552, 1940, 2804, 2960, 3505, 3589, 3880, 5608, 7010, 7178, 7760, 11216, 14020, 14356, 17945, 25937, 28040, 28712, 35890, 51874, 56080, 57424, 67997, 71780, 103748, 129685, 135994, 143560, 207496, 259370, 271988, 287120, 339985, 414992, 518740, 543976, 679970, 1037480, 1087952, 1359940, 2074960, 2515889, 2719880, 5031778, 5439760, 10063556, 12579445, 20127112, 25158890, 40254224, 50317780, 100635560, 201271120]

約数ペア:

[(1, 201271120), (2, 100635560), (4, 50317780), (5, 40254224), (8, 25158890), (10, 20127112), (16, 12579445), (20, 10063556), (37, 5439760), (40, 5031778), (74, 2719880), (80, 2515889), (97, 2074960), (148, 1359940), (185, 1087952), (194, 1037480), (296, 679970), (370, 543976), (388, 518740), (485, 414992), (592, 339985), (701, 287120), (740, 271988), (776, 259370), (970, 207496), (1402, 143560), (1480, 135994), (1552, 129685), (1940, 103748), (2804, 71780), (2960, 67997), (3505, 57424), (3589, 56080), (3880, 51874), (5608, 35890), (7010, 28712), (7178, 28040), (7760, 25937), (11216, 17945), (14020, 14356)]